1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.websocket.jsr356.annotations;
20
21 import java.lang.reflect.Method;
22 import java.nio.ByteBuffer;
23
24 import javax.websocket.DecodeException;
25 import javax.websocket.Decoder;
26
27 import org.eclipse.jetty.websocket.jsr356.JsrSession;
28 import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
29
30 /**
31 * Callable for {@link javax.websocket.OnMessage} annotated methods with a whole or partial binary messages.
32 * <p>
33 * Not for use with {@link java.io.InputStream} based {@link javax.websocket.OnMessage} method objects.
34 *
35 * @see javax.websocket.Decoder.Binary
36 */
37 public class OnMessageBinaryCallable extends OnMessageCallable
38 {
39 private Decoder.Binary<?> binaryDecoder;
40
41 public OnMessageBinaryCallable(Class<?> pojo, Method method)
42 {
43 super(pojo,method);
44 }
45
46 /**
47 * Copy Constructor
48 */
49 public OnMessageBinaryCallable(OnMessageCallable copy)
50 {
51 super(copy);
52 }
53
54 public Object call(Object endpoint, ByteBuffer buf, boolean partialFlag) throws DecodeException
55 {
56 super.args[idxMessageObject] = binaryDecoder.decode(buf);
57 if (idxPartialMessageFlag >= 0)
58 {
59 super.args[idxPartialMessageFlag] = partialFlag;
60 }
61 return super.call(endpoint,super.args);
62 }
63
64 @Override
65 public void init(JsrSession session)
66 {
67 idxMessageObject = findIndexForRole(Role.MESSAGE_BINARY);
68 assertRoleRequired(idxMessageObject,"Binary Message Object");
69 super.init(session);
70 assertDecoderRequired();
71 binaryDecoder = (Decoder.Binary<?>)getDecoder();
72 }
73 }